修改最大值最小值service实现

ZhuDongming

2019-08-19 5ed2476ff6672d9935682c4f360aa5c76d25d7f0

 src/main/resources/mapper/HistoryMinutelyMapper.xml

@@ -155,4 +155,42 @@
        ORDER BY

        hm.time

    </select>



    <select id="getSensorDataMin" resultType="java.util.LinkedHashMap">

        SELECT

        DATE_FORMAT(hm.time,'%Y-%m-%d %H:%i:%s') time,

        <foreach collection="sensorKeys" item="sensorKey" separator=",">

            hm.json->'$.${sensorKey}[1]' as '${sensorKey}'

        </foreach>

        FROM

        history_minutely as hm

        <where>

            <if test="mac!=null">

                and hm.mac=#{mac}

            </if>

            and hm.time >= #{startTime}

            and hm.time <![CDATA[<=]]> #{endTime}

        </where>

        ORDER BY

        hm.time

    </select>



    <select id="getSensorDataMax" resultType="java.util.LinkedHashMap">

        SELECT

        DATE_FORMAT(hm.time,'%Y-%m-%d %H:%i:%s') time,

        <foreach collection="sensorKeys" item="sensorKey" separator=",">

            hm.json->'$.${sensorKey}[2]' as '${sensorKey}'

        </foreach>

        FROM

        history_minutely as hm

        <where>

            <if test="mac!=null">

                and hm.mac=#{mac}

            </if>

            and hm.time >= #{startTime}

            and hm.time <![CDATA[<=]]> #{endTime}

        </where>

        ORDER BY

        hm.time

    </select>

</mapper>